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NTE1757 Datasheet(PDF) 1 Page - NTE Electronics

Part No. NTE1757
Description  Integrated Circuit Remote Control Receiver
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Manufacturer  NTE [NTE Electronics]
Direct Link  http://www.nteinc.com
Logo NTE - NTE Electronics

NTE1757 Datasheet(HTML) 1 Page - NTE Electronics

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NTE1757
Integrated Circuit
Remote Control Receiver
Description:
The NTE1757 is an MOS/LSI integrated circuit in an 18–Lead DIP tpye package designed for use
as a receiver of remote control signals generated by a transmitter circuit, using PPM (Pulse Position
Modulation) encoding technique. The receiver has 5 digital outputs whose response to PPM codes
may be programmed by six control lines. It has a handshake interface which provides communication
with microprocessors and computers.
Features;
D 5 Open Drain Outputs with Enable
D Handshake or Interrupt Microprocessor and Computer Interface Signals
D On–Chip Oscillator
D 6 Control Lines to Program Output Response
D 3 Selectable Output Modes
Absolute Maximum Ratings:
VDD Supply and All Inputs wrt, VSS
+0.3 to –25V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, Tstg
–55
°C to +125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range, TA
–10
°C to +65°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: VSS = 0V, VDD = –16V, Tamb = +25°C
Parameter
Pin
Test Conditions
Min
Typ
Max
Unit
Supply Voltage
9
12
18
V
Supply Current
9
6
mA
Input Logic Level High (“1”)
3–8, 17
–1
0
V
Input Logic Level Low (“0”)
3–8, 17
VDD
VDD +3.5
V
Output Logic Level High (“1”)
10, 12–16 50k to VDD
–1
0
V
Output Logic Level Low (“0”)
10, 12–16 50k to VDD
VDD
VDD +0.5
V
Oscillator Frequency
1
Typical TC: C = 22nF, R = 100kΩ
15
3k
150k
Hz
PPM Input Logic Level High (“1”)
2
–1
0
V
PPM Input Logic Level Low (“0”)
2
VDD
–6
V
PPM Input Pulse Width
2
T = 1/fOSC
1
22TOSC
s
Power Clear Time Constant
11
1
400
ms
Note 1. Rosc (Pin 1) is 56kΩ, fosc ' 1 / 0.15CR


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